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  1. Article ; Online: Estimation of lung absorption parameters for oxides of

    Gregoratto, D / Bailey, M R

    Journal of radiological protection : official journal of the Society for Radiological Protection

    2018  Volume 38, Issue 2, Page(s) 831–853

    Abstract: Following inhalation of an aerosol of relatively insoluble particles, it is usually found that the fractional dissolution rate of material retained in the lungs decreases with time, and the amount remaining undissolved can be represented simply by a ... ...

    Abstract Following inhalation of an aerosol of relatively insoluble particles, it is usually found that the fractional dissolution rate of material retained in the lungs decreases with time, and the amount remaining undissolved can be represented simply by a decreasing exponential function with two or more components. A few exceptions are known, in which the dissolution rate increases with time. The most important in the context of radiological protection is probably that of
    MeSH term(s) Aerosols ; Animals ; Humans ; Lung/metabolism ; Models, Animal ; Oxides/pharmacokinetics ; Plutonium/pharmacokinetics
    Chemical Substances Aerosols ; Oxides ; Plutonium-238 ; Plutonium (53023GN24M)
    Language English
    Publishing date 2018-05-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 639411-5
    ISSN 1361-6498 ; 0952-4746
    ISSN (online) 1361-6498
    ISSN 0952-4746
    DOI 10.1088/1361-6498/aac19d
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1886: Show issues Location:
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  2. Book ; Conference proceedings: Industrial symbiosis

    Bailey, M. R

    nationally co-ordinated by-product use and nutrient recycling

    (Proceedings, ; no. 636)

    2008  

    Institution International Fertiliser Society.
    International Fertiliser Society. / Conference
    Author's details by M.R. Bailey ... [et al.]
    Series title Proceedings, ; no. 636
    Keywords Industrial ecology ; Factory and trade waste/Recycling ; Factory and trade waste as fertilizer
    Language English
    Size 24 p. :, ill., maps ;, 21 cm.
    Publisher International Fertiliser Society
    Publishing place York
    Document type Book ; Conference proceedings
    Note "Paper presented to The International Fertiliser Society at a Conference in Cambridge, on 11th December 2008."
    ISBN 9780853102731 ; 0853102732
    Database NAL-Catalogue (AGRICOLA)

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  3. Article ; Online: A review of lung-to-blood absorption rates for radon progeny.

    Marsh, J W / Bailey, M R

    Radiation protection dosimetry

    2013  Volume 157, Issue 4, Page(s) 499–514

    Abstract: The International Commission on Radiological Protection (ICRP) Publication 66 Human Respiratory Tract Model (HRTM) treats clearance of materials from the respiratory tract as a competitive process between absorption into blood and particle transport to ... ...

    Abstract The International Commission on Radiological Protection (ICRP) Publication 66 Human Respiratory Tract Model (HRTM) treats clearance of materials from the respiratory tract as a competitive process between absorption into blood and particle transport to the alimentary tract and lymphatics. The ICRP recommended default absorption rates for lead and polonium (Type M) in ICRP Publication 71 but stated that the values were not appropriate for short-lived radon progeny. This paper reviews and evaluates published data from volunteer and laboratory animal experiments to estimate the HRTM absorption parameter values for short-lived radon progeny. Animal studies showed that lead ions have two phases of absorption: ∼10 % absorbed with a half-time of ∼15 min, the rest with a half-time of ∼10 h. The studies also indicated that some of the lead ions were bound to respiratory tract components. Bound fractions, f(b), for lead were estimated from volunteer and animal studies and ranged from 0.2 to 0.8. Based on the evaluations of published data, the following HRTM absorption parameter values were derived for lead as a decay product of radon: f(r) = 0.1, s(r) = 100 d(-1), s(s) = 1.7 d(-1), f(b) = 0.5 and s(b) = 1.7 d(-1). Effective doses calculated assuming these absorption parameter values instead of a single absorption half-time of 10 h with no binding (as has generally been assumed) are only a few per cent higher. However, as there is some conflicting evidence on the absorption kinetics for radon progeny, dose calculations have been carried out for different sets of absorption parameter values derived from different studies. The results of these calculations are discussed.
    MeSH term(s) Absorption ; Aerosols ; Air Pollutants, Radioactive/analysis ; Air Pollutants, Radioactive/metabolism ; Animals ; Bismuth/analysis ; Female ; Humans ; Inhalation ; Ions ; Kinetics ; Lead/analysis ; Lung/radiation effects ; Male ; Occupational Exposure ; Polonium/analysis ; Radiation Dosage ; Radiation Protection/methods ; Radiometry/methods ; Radon/analysis ; Radon Daughters/analysis ; Rats ; Respiratory System/radiation effects ; Risk Assessment
    Chemical Substances Aerosols ; Air Pollutants, Radioactive ; Ions ; Radon Daughters ; Lead (2P299V784P) ; Polonium (DQY03U61EJ) ; Radon (Q74S4N8N1G) ; Bismuth (U015TT5I8H)
    Language English
    Publishing date 2013-12
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 225912-6
    ISSN 1742-3406 ; 0144-8420
    ISSN (online) 1742-3406
    ISSN 0144-8420
    DOI 10.1093/rpd/nct179
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Acoustic Radiation Force of a Quasi-Gaussian Beam on an Elastic Sphere in a Fluid.

    Nikolaeva, A V / Sapozhnikov, O A / Bailey, M R

    IEEE International Ultrasonics Symposium : [proceedings]. IEEE International Ultrasonics Symposium

    2016  Volume 2016

    Abstract: Acoustic radiation force has many applications. One of the related technologies is the ability to noninvasively expel stones from the kidney. To optimize the procedure it is important to develop theoretical approaches that can provide rapid calculations ... ...

    Abstract Acoustic radiation force has many applications. One of the related technologies is the ability to noninvasively expel stones from the kidney. To optimize the procedure it is important to develop theoretical approaches that can provide rapid calculations of the radiation force depending in stone size and elastic properties, together with ultrasound beam diameter, intensity, and frequency. We hypothesize that the radiation force nonmonotonically depends on the ratio between the acoustic beam width and stone diameter because of coupling between the acoustic wave in the fluid and shear waves in the stone. Testing this hypothesis by considering a spherical stone and a quasi-Gaussian beam was performed in the current work. The calculation of the radiation force was conducted for elastic spheres of two types. Dependence of the magnitude of the radiation force on the beam diameter at various fixed values of stone diameters was modeled. In addition to using real material properties, speed of shear wave in the stone was varied to reveal the importance of shear waves in the stone. It was found that the radiation force reaches its maximum at the beamwidth comparable to the stone diameter; the gain in the force magnitude can reach 40% in comparison with the case of a narrow beam.
    Language English
    Publishing date 2016-11-03
    Publishing country United States
    Document type Journal Article
    ISSN 1948-5719
    ISSN 1948-5719
    DOI 10.1109/ULTSYM.2016.7728608
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book: Use of Prussian Blue (Ferric Hexacyanoferrate) for decorporation of radiocaesium

    Bailey, M. R

    advice from the Health Protection Agency

    (Documents of the Health Protection Agency. Radiation, chemical and environmental hazards ; RCE-17)

    2010  

    Institution Health Protection Agency (Great Britain),
    Health Protection Agency (Great Britain). / Centre for Radiation, Chemical and Environmental Hazards,
    Author's details prepared by M. Bailey [and 21 others]
    Series title Documents of the Health Protection Agency. Radiation, chemical and environmental hazards ; RCE-17
    MeSH term(s) Cesium Radioisotopes/adverse effects ; Radiation Injuries/therapy ; Ferrocyanides/therapeutic use ; Inhalation Exposure ; Radiation Protection/methods
    Language English
    Size iv, 86 pages :, illustrations
    Document type Book
    Note "December 2010".
    ISBN 9780859516822 ; 0859516822
    Database Catalogue of the US National Library of Medicine (NLM)

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  6. Article ; Online: Occupational Intakes of Radionuclides: Part 5.

    Paquet, F / Leggett, R W / Blanchardon, E / Bailey, M R / Gregoratto, D / Smith, T / Ratia, G / Davesne, E / Berkovski, V / Harrison, J D

    Annals of the ICRP

    2022  Volume 51, Issue 1-2, Page(s) 11–415

    MeSH term(s) Radiation Dosage ; Radiation Exposure ; Radiation Protection ; Radioisotopes
    Chemical Substances Radioisotopes
    Language English
    Publishing date 2022-05-05
    Publishing country England
    Document type Editorial
    ISSN 1872-969X ; 0146-6453
    ISSN (online) 1872-969X
    ISSN 0146-6453
    DOI 10.1177/01466453211028755
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Assessment and interpretation of internal doses: uncertainty and variability.

    Paquet, F / Bailey, M R / Leggett, R W / Harrison, J D

    Annals of the ICRP

    2016  Volume 45, Issue 1 Suppl, Page(s) 202–214

    Abstract: Internal doses are calculated on the basis of knowledge of intakes and/or measurements of activity in bioassay samples, typically using reference biokinetic and dosimetric models recommended by the International Commission on Radiological Protection ( ... ...

    Abstract Internal doses are calculated on the basis of knowledge of intakes and/or measurements of activity in bioassay samples, typically using reference biokinetic and dosimetric models recommended by the International Commission on Radiological Protection (ICRP). These models describe the behaviour of the radionuclides after ingestion, inhalation, and absorption to the blood, and the absorption of the energy resulting from their nuclear transformations. They are intended to be used mainly for the purpose of radiological protection: that is, optimisation and demonstration of compliance with dose limits. These models and parameter values are fixed by convention and are not subject to uncertainty. Over the past few years, ICRP has devoted a considerable amount of effort to the revision and improvement of models to make them more physiologically realistic. ICRP models are now sufficiently sophisticated for calculating organ and tissue absorbed doses for scientific purposes, and in many other areas, including toxicology, pharmacology and medicine. In these specific cases, uncertainties in parameters and variability between individuals need to be taken into account.
    MeSH term(s) Humans ; International Agencies ; Models, Theoretical ; Radiation Dosage ; Radiation Exposure ; Radiation Protection ; Radioisotopes/metabolism ; Radiometry/methods ; Uncertainty
    Chemical Substances Radioisotopes
    Language English
    Publishing date 2016-06
    Publishing country England
    Document type Journal Article
    ISSN 1872-969X ; 0146-6453
    ISSN (online) 1872-969X
    ISSN 0146-6453
    DOI 10.1177/0146645316633595
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  8. Article: Getting grants: Ten things you gotta do to get money

    Bailey, M.R

    Small farm today. 2006 July-Oct., v. 23, no. 4

    2006  

    Keywords small farms ; small-scale farming ; grants ; proposal writing ; research support ; agricultural programs and projects
    Language English
    Dates of publication 2006-07
    Size p. 33-37.
    Document type Article
    ZDB-ID 1313060-2
    ISSN 1079-9729
    ISSN 1079-9729
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 6296: Show issues

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  9. Article ; Online: Particle clearance in the alveolar-interstitial region of the human lungs: model validation.

    Gregoratto, D / Bailey, M R / Marsh, J W

    Radiation protection dosimetry

    2011  Volume 144, Issue 1-4, Page(s) 353–356

    Abstract: New information on particle retention of inhaled insoluble material indicates that the ICRP Human Respiratory Tract Model (HRTM) significantly underestimates long-term retention in the lungs. In a previous paper, the information from three studies was ... ...

    Abstract New information on particle retention of inhaled insoluble material indicates that the ICRP Human Respiratory Tract Model (HRTM) significantly underestimates long-term retention in the lungs. In a previous paper, the information from three studies was reviewed, and a model developed to predict particle retention in the lungs of coal miners was adapted in order to obtain parameter values for general use to predict particle retention in the alveolar-interstitial (AI) region. The model is physiologically based and simpler than the HRTM, requiring two instead of three compartments to model the AI region. The main difference from the HRTM AI model is that a significant fraction, about 35 %, of the AI deposit of insoluble material remains sequestered in the interstitium. The new model is here applied to the analysis of two well-known contamination cases with several years of follow-up data.
    MeSH term(s) Americium/analysis ; Humans ; Kinetics ; Lung/drug effects ; Lung/pathology ; Lung/radiation effects ; Lymph Nodes/pathology ; Macrophages/pathology ; Mining ; Models, Biological ; Occupational Exposure ; Particle Size ; Plutonium/analysis ; Probability ; Pulmonary Alveoli/pathology ; Reproducibility of Results ; Tissue Distribution
    Chemical Substances plutonium dioxide (12059-95-9) ; Plutonium (53023GN24M) ; Americium (VW92PHU2UY)
    Language English
    Publishing date 2011-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 225912-6
    ISSN 1742-3406 ; 0144-8420
    ISSN (online) 1742-3406
    ISSN 0144-8420
    DOI 10.1093/rpd/ncq314
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: An evaluation of atmospheric pressure ionization techniques for the analysis of N-Methyl carbamate pesticides by liquid chromatography mass spectrometry.

    Pleasance, S / Anacleto, J F / Bailey, M R / North, D H

    Journal of the American Society for Mass Spectrometry

    2013  Volume 3, Issue 4, Page(s) 378–397

    Abstract: Atmospheric pressure ionization (API) techniques are evaluated for the mass spectral analysis of N-methyl carbamate pesticides. Atmospheric pressure chemical ionization (APCI) using a heated nebulizer interface provided both protonated molecules and ... ...

    Abstract Atmospheric pressure ionization (API) techniques are evaluated for the mass spectral analysis of N-methyl carbamate pesticides. Atmospheric pressure chemical ionization (APCI) using a heated nebulizer interface provided both protonated molecules and abundant, characteristic fragment ions. With ion spray (ISP; pneumatically assisted electrospray ionization), which utilizes a milder "ion evaporation" process, primarily protonated molecules were obtained, although fragment ions similar to those observed in APCI could be induced by variation of the API orifice voltage. Product ion spectra of ISP-derived protonated molecules, generated by tandem mass spectrometry using collision-induced dissociation, are also presented. The APCI and ISP spectra of the carbamates are compared to those obtained with a thermospray interface and also to their electron ionization and methane CI spectra obtained with a particle beam interface. For all four interfaces, combined liquid chromatography mass spectrometry methods using conventional (4.6 mm i.d.) columns are described for the separation and detection of pesticide mixtures. These methods are applied to the confirmatory analysis of three representative carbamate pesticides, spiked at the 0.1-ppm level in green peppers. For those carbamates amenable to gas chromatography mass spectrometry, comparative results are presented.
    Language English
    Publishing date 2013-11-17
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1073671-2
    ISSN 1044-0305
    ISSN 1044-0305
    DOI 10.1016/1044-0305(92)87066-8
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    Zs.MO 241: Show issues

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